CN109371451A - A kind of Metal Substrate self-repairing plating coat and its preparation method and application - Google Patents
A kind of Metal Substrate self-repairing plating coat and its preparation method and application Download PDFInfo
- Publication number
- CN109371451A CN109371451A CN201811179651.6A CN201811179651A CN109371451A CN 109371451 A CN109371451 A CN 109371451A CN 201811179651 A CN201811179651 A CN 201811179651A CN 109371451 A CN109371451 A CN 109371451A
- Authority
- CN
- China
- Prior art keywords
- nano container
- metal
- coat
- metal substrate
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D15/00—Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention provides a kind of Metal Substrate self-repairing plating coat and its preparation method and application, belongs to the micro-nano composite deposite of electro-deposition and selfreparing field.The Metal Substrate self-repairing plating coat is made of the coat of metal and the nano container being entrained in the coat of metal, and for nano container using mesoporous material as carrier, internal inhibitor-supported molecule, surface modification has pH responsive materials.It is inhibitor-supported first in nano container, then sealing surface pore is carried out to the nano container containing corrosion inhibiter using the solution that there is pH to respond, further nano container is modified again by cationic surface modified solution, makes surface that there is certain positive charge.Metal electrodeposition solution is finally configured, will be added in electric depositing solution with the nano container containing corrosion inhibiter that pH is responded, realizes and is co-deposited under the function of current, prepare the coat of metal with self-repair function.The present invention can effectively extend the protection service life of the coat of metal, provide new thinking to prepare novel metal composite deposite.
Description
Technical field
The present invention relates to the micro-nano composite deposite of electro-deposition and selfreparing field, specifically a kind of Metal Substrate self-repairing plating coat
And its preparation method and application.
Background technique
Metal and its alloy coat have preferable physics, chemistry and mechanical performance, such as higher hardness, wearability and anti-corrosion
Property etc., so being widely used in the surface treatment of steel.But due to the influence of various factors, process of the coat of metal in preparation
The defects of being easy to produce point, micro-crack causes the corrosion resistance of coating to decline.
The it is proposed of selfreparing concept has material outer wound and internal flaw to provide ideal approach for solution.It passes through
Induction and response are made to damage, damage is repaired under conditions of not influencing system overall performance, can ensure material
It is more reliable, safe, durable, to substantially reduce the expense of maintenance and repair.But current self-repair material is applied to organic coating more,
The self-repairing plating coat prepared using the coat of metal as matrix is relatively fewer.Zhu Liqun etc. is by lubricating oil, organic siliconresin, corrosion inhibiter etc.
By Micro-Encapsulation Technique formed can with the microcapsules of coat of metal composite codeposition, then by composite electrodeposition technique,
It realizes the metal ion deposition in liquid microcapsule and solution, forms the metal composite cladding containing liquid microcapsule.In part
When local damage occurs for surface, the microcapsules liquid containing these materials can be released, and play selfreparing
Effect, to improve the functionality of coating surface, such as antifriction, self-lubricating, corrosion-resistant performance.The shortcomings that this method, exists
In only under conditions of plating damage layer is more serious, the cyst wall of microcapsules can just be broken the self-repairing plating coat formed by microcapsules
It splits, but Metal Substrate has had biggish damaged area at this time, reparation difficulty is larger, does not have the value of practical application；In addition,
The hardness of microcapsules is not high, is unable to satisfy the higher requirement of coat of metal wearability.
Summary of the invention
Technical assignment of the invention is to propose one aiming at the problem that surface of existing metal and alloy layer is also easy to produce defect
Kind Metal Substrate self-repairing plating coat and its preparation method and application.
The technical solution adopted by the present invention to solve the technical problems is:
1, the present invention provides a kind of Metal Substrate self-repairing plating coat, by the coat of metal and the nano container being entrained in inside the coat of metal
Composition, for the nano container using mesoporous material as carrier, internal inhibitor-supported molecule, surface modification has pH responsive materials；
When coating is generated corrosion by external influence, the pH of corrosion area changes, the variation of the pH of nano container response at this time,
It discharges inhibitor molecular automatically, forms protective film layer in the coat of metal or matrix surface, reach selfreparing effect.
PH responsive materials have the function of blocking nano container surface micropore under condition of acidic pH, in weak basic condition
Under, pH responsive materials will not then block the surface of nano container.The partial size of nano container is between micro-nano, when corrosion occurs
When, the corrosion inhibiter release in nano container, and then with matrix ining conjunction with, to play the role of protection matrix.
2, the present invention provides a kind of preparation method of Metal Substrate self-repairing plating coat, includes the following steps:
1) using mesoporous material as carrier, corrosion inhibiter is supported in mesoporous material, prepares inhibitor-supported nano container；
2) in inhibitor-supported nano container surface modification pH responsive materials, being formed has can carrying out to corrosion inhibiter for pH response
The nano container of controlled release；
3) nano container of step 2 is further modified, makes its surface with certain positive charge；
4) it by the nano container incorporation metal ion of step 3), deposits to obtain self-repairing plating coat in metal surface.
As a further improvement of that present invention, the step 1) detailed process are as follows:
Mesoporous material and corrosion inhibiter are weighed according to mass ratio 0.15-2:1, a certain amount of solvent is added, is put into beaker, sufficiently stirs
It carries out negative pressure after mixing to support, the gas in mesoporous material is discharged, the gas in mesoporous material is filled by negative pressure 0.4-0.8Mpa
Divide discharge, prepares inhibitor-supported nano container.
As a further improvement of that present invention, the step 2 detailed process are as follows:
The nano container for supporting inhibition molecule is placed into pH responsive materials, pH value of solution controls between 2 ~ 3.5, impregnates one section
Time is sufficiently stirred, and blocks the micropore on nano container surface sufficiently by pH responsive materials, prepare with pH response can be right
The nano container of corrosion inhibiter progress controlled release.
As a further improvement of that present invention, the step 3) detailed process are as follows:
The nano container of step 2 is added in cationic surface modified solution, progress surface is sufficiently stirred and is modified, makes surface
With certain positive charge.By the nano container dispersibility with higher of cationic surface modified solution modification, together
When can make particle be easier be embedded in the coat of metal.
As a further improvement of that present invention, the step 4) detailed process are as follows:
The nano container of step 3) is added in the electrodeposit liquid of metal ion, using magnetic agitation, in constant current or constant voltage
Under conditions of, nano container and metal ion by surface with positive charge are co-deposited to matrix surface.
As a further improvement of that present invention, the mesoporous material can use mesoporous silicon oxide, mesoporous TiO 2
One or more of.
As a further improvement of that present invention, the corrosion inhibiter is the oil such as 8-hydroxyquinoline, oleic acid, lanolin, stearic acid
The corrosion inhibiter of dissolubility is also possible to some inorganic salts corrosion inhibiter, can be a kind of corrosion inhibiter exclusive use, is also possible to a variety of
Corrosion inhibiter is used in compounding, and plays the synergistic corrosion inhibition to metallic matrix.
As a further improvement of that present invention, solvent described in step 1) is selected from one or more of acetone, ethyl alcohol.
As a further improvement of that present invention, the pH responsive materials are selected from acrylate copolymer.
As a further improvement of that present invention, cationic modified solution described in step 3) can use CTAB, two
One or more of ethanol amine, triethanolamine.
Innovative point of the present invention is:
1, in such a way that negative pressure of vacuum supports, by corrosion inhibiter etc. have delay matrix corrosion substance support to nano container it
In, prepare the nano container containing corrosion inhibiter.
2, the nano container containing corrosion inhibiter is placed into pH response solution, is soaked for a period of time, prepares with pH
The nano container containing corrosion inhibiter of response.
3, the above-mentioned nano container prepared is placed into the solution containing cationic surface active agent, makes surface band
Certain positive charge can have higher dispersibility by the nanoparticle that cationic surfactant is handled, while can make
Particle is easier to the insertion coat of metal.
4, the metal-based nano self-repairing plating coat is when Metal Substrate the breakage such as micro-crack is occurred by external influence, Ke Yiyou
Effect improves the protective performance of composite deposite.Meanwhile the addition of nano particle can be improved the performances such as the rub resistance abrasion of coating.
A kind of Metal Substrate self-repairing plating coat of the invention and its preparation method and application, it is generated compared with prior art
Beneficial effect is:
Self-repairing plating coat of the invention can significantly improve the protection effect of the coat of metal, when coating is generated by external force
When damaged, the corrosion inhibiter in nano container can discharge and be adsorbed onto metal surface, can effectively improve the protection of composite deposite
Performance extends the protection service life of coating.The addition of nano particle simultaneously can be improved the performances such as the rub resistance abrasion of coating.
Specific embodiment
Combined with specific embodiments below, a kind of Metal Substrate self-repairing plating coat of the invention and its preparation method and application is made
It is described further below.
Embodiment one
A kind of Metal Substrate self-repairing plating coat of the invention, by the coat of metal and the nano container group being entrained in inside the coat of metal
At.Wherein, using mesoporous silicon oxide as carrier, internal inhibitor-supported molecule 8-hydroxyquinoline, surface modification has nano container
Acrylate copolymer；
When coating is generated corrosion by external influence, the pH of corrosion area changes, the variation of the pH of nano container response at this time,
It discharges 8-hydroxyquinoline molecule automatically, forms protective film layer in the coat of metal or matrix surface, reach selfreparing effect.
In the present invention, the selection of nano container carrier is not limited to mesoporous silicon oxide one kind, can also be meso-porous titanium dioxide
Titanium.It can be a kind of carrier exclusive use, be also possible to variety carrier and be used in mixed way.
In the present invention, the selection of inhibitor molecular is not limited to 8-hydroxyquinoline, can also be, oleic acid, lanolin, stearic acid
Etc. oil-soluble corrosion inhibiter, it is also possible to some inorganic salts corrosion inhibiter, can be a kind of corrosion inhibiter exclusive use, be also possible to
A variety of corrosion inhibiter are used in compounding, and play the synergistic corrosion inhibition to metallic matrix.
Embodiment two
A kind of preparation method of Metal Substrate self-repairing plating coat of the invention, includes the following steps:
1) inhibitor molecular 8-hydroxyquinoline 0.5g is weighed, is added in the acetone solvent of 50mL, is put into beaker, be sufficiently stirred
It makes it completely dissolved；Then the mesoporous TiO of 1.0g is added2, negative pressure is carried out after being sufficiently stirred and is supported, and negative pressure 0.4Mpa will be mesoporous
TiO2In gas discharge, by mesoporous TiO2In gas be sufficiently discharged, corrosion inhibiter 8-hydroxyquinoline is supported to mesoporous TiO2
In.
2) nano container for supporting inhibition molecule 8-hydroxyquinoline is placed into 50mL, 0.3mol/L acrylate copolymer
In solution, pH value of solution is controlled 2, is soaked for a period of time, is sufficiently stirred, gathers the micropore on nano container surface sufficiently by acrylic acid
It closes object to block, prepares the nano container that can carry out controlled release to corrosion inhibiter 8-hydroxyquinoline with pH response.
3) nano container of step 2 is added to 100mL, in the CTAB solution of 0.01mol/L, carry out table is sufficiently stirred
Face is modified, makes its surface with certain positive charge.
4) nano container of step 3) is added in the solution of electric deposition nickel, so that it is uniformly dispersed using magnetic agitation,
It is 40mA/cm in constant current2Under conditions of, using negative electrode electro-deposition, surface is had to the nano container and nickel ion of positive charge
It is co-deposited to matrix surface, obtains electric deposition nickel self-repairing plating coat.
Embodiment three
A kind of preparation method of Metal Substrate self-repairing plating coat of the invention, includes the following steps:
1) inhibitor molecular oleic acid 0.5g is weighed, is added in the alcohol solvent of 50mL, is put into beaker, being sufficiently stirred keeps its complete
Fully dissolved；Then the mesoporous SiO of 0.25g is added2, negative pressure is carried out after being sufficiently stirred to be supported, negative pressure 0.5Mpa, by mesoporous SiO2In
Gas discharge, by mesoporous SiO2In gas be sufficiently discharged, corrosion inhibiter oleic acid is supported to mesoporous SiO2In.
2) nano container for supporting inhibition molecule oleic acid is placed into 50mL, the solution of 0.2mol/L acrylate copolymer
In, pH value of solution is controlled 3, is soaked for a period of time, is sufficiently stirred, seals the micropore on nano container surface sufficiently by pH responsive materials
It is stifled, prepare the nano container that controlled release can be carried out to corrosion inhibiter oleic acid with pH response.
3) nano container of step 2 is added to 30mL, in the diethanolamine solution of 0.05mol/L, progress is sufficiently stirred
Surface is modified, makes surface with certain positive charge.
4) nano container of step 3) is added in the solution of electric deposition nickel cobalt alloy, using magnetic agitation, in constant current
For 65mA/cm2Under conditions of, using negative electrode electro-deposition, nano container and nickel cobalt (alloy) by surface with positive charge are co-deposited
To matrix surface, Electrodeposited Ni-Co self-repairing plating coat is obtained.
Example IV
1) 3:7 in mass ratio weighs sodium molybdate and disodium hydrogen phosphate corrosion inhibiter 1g, is added to the mixing of 60mL acetone+40mL acetone
It in solvent, is put into beaker, is sufficiently stirred and makes it completely dissolved；Then the mesoporous TiO of 0.15g is added2, born after being sufficiently stirred
Pressure supports, negative pressure 0.8Mpa, by mesoporous TiO2In gas discharge, by mesoporous TiO2In gas be sufficiently discharged, by corrosion inhibiter
Sodium molybdate and disodium hydrogen phosphate are supported to mesoporous TiO2In.
2) nano container for supporting inhibition molecule sodium molybdate and disodium hydrogen phosphate is placed into 45mL, 0.025mol/L propylene
In the solution of acid polymer, pH value of solution is controlled 3.5, is soaked for a period of time, is sufficiently stirred, fills the micropore on nano container surface
Divide and blocked by acrylate copolymer, realizing controlled-release can be carried out to corrosion inhibiter sodium molybdate and disodium hydrogen phosphate with pH response by preparing
The nano container put.
3) nano container of step 2 is added to 50mL, in the triethanolamine solution of 0.02mol/L, progress is sufficiently stirred
Surface is modified, makes its surface with certain positive charge.
4) nano container of step 3) is added in the solution of electrodepositing zinc, so that it is uniformly dispersed using magnetic agitation,
Under conditions of constant voltage is -0.1 ~ -0.5V, using negative electrode electro-deposition, nano container and zinc by surface with positive charge from
Son is co-deposited to matrix surface, obtains electrodepositing zinc self-repairing plating coat.
Finally, it should be noted that the selection of nano container carrier is not limited to mesoporous two cited by embodiment in the present invention
One of silica, mesoporous TiO 2 can also be that the two is used in mixed way.
In the present invention, the selection of inhibitor molecular is not limited to mode cited by embodiment, can be 8-hydroxyquinoline, oil
The oil-soluble corrosion inhibiter such as acid, lanolin, stearic acid is also possible to some inorganic salts corrosion inhibiter, can be a kind of corrosion inhibiter
It is used alone, is also possible to a variety of corrosion inhibiter and is used in compounding, play the synergistic corrosion inhibition to metallic matrix.
In step 1) of the present invention, solvent usage is had little influence on the reaction, in the case where that can be completely dissolved inhibitor molecular
It should use less as far as possible, dosage given by embodiment only refers to.
In step 2 of the present invention, acrylate copolymer dosage is subject to the micropore that can sufficiently block nano container surface,
Dosage given by embodiment only refers to.
In step 3) of the present invention, cationic modified solution dosage is with the dispersibility that can guarantee nano particle
Standard, dosage given by embodiment only refer to.
For Metal Substrate self-repairing plating coat of the invention compared with common coating, corrosion resistance improves 50%-100%, wear-resistant
Property improves 50%-80%, and hardness improves 30%-50%.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, to those skilled in the art, can still remember to previous embodiment
The technical solution of load is modified or equivalent replacement of some of the technical features.It is all in spirit and original of the invention
Within then, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Except for the technical features described in the specification, it all is technically known to those skilled in the art.
Claims (10)
1. a kind of Metal Substrate self-repairing plating coat, which is characterized in that held by the coat of metal and the nanometer being entrained in inside the coat of metal
Device composition, for the nano container using mesoporous material as carrier, internal inhibitor-supported molecule, surface modification has pH responsive materials；
When coating is generated corrosion by external influence, the pH of corrosion area changes, the variation of the pH of nano container response at this time,
It discharges inhibitor molecular automatically, forms protective film layer in the coat of metal or matrix surface, reach selfreparing effect.
2. a kind of preparation method of Metal Substrate self-repairing plating coat as described in claim 1, which is characterized in that including walking as follows
It is rapid:
1) using mesoporous material as carrier, corrosion inhibiter is supported in mesoporous material, prepares inhibitor-supported nano container；
2) in inhibitor-supported nano container surface modification pH responsive materials, being formed has can carrying out to corrosion inhibiter for pH response
The nano container of controlled release；
3) nano container of step 2 is further modified, makes its surface with certain positive charge；
4) it by the nano container incorporation metal ion of step 3), deposits to obtain self-repairing plating coat in metal surface.
3. a kind of preparation method of Metal Substrate self-repairing plating coat according to claim 2, which is characterized in that the step 1)
Detailed process are as follows:
Mesoporous material and corrosion inhibiter are weighed according to mass ratio 0.15-2:1, a certain amount of solvent is added, is put into beaker, sufficiently stirs
It carries out negative pressure after mixing to support, the gas in mesoporous material is discharged, the gas in mesoporous material is filled by negative pressure 0.4-0.8Mpa
Divide discharge, prepares inhibitor-supported nano container.
4. a kind of preparation method of Metal Substrate self-repairing plating coat according to claim 2 or 3, which is characterized in that the step
Rapid 2) detailed process are as follows:
The nano container for supporting inhibition molecule is placed into pH responsive materials, pH value of solution controls between 2 ~ 3.5, impregnates one section
Time is sufficiently stirred, and blocks the micropore on nano container surface sufficiently by pH responsive materials, prepare with pH response can be right
The nano container of corrosion inhibiter progress controlled release.
5. a kind of preparation method of Metal Substrate self-repairing plating coat according to claim 2 or 3, which is characterized in that the step
Rapid 3) detailed process are as follows:
The nano container of step 2 is added in cationic surface modified solution, progress surface is sufficiently stirred and is modified, makes surface
With certain positive charge.
6. a kind of preparation method of Metal Substrate self-repairing plating coat according to claim 2 or 3, which is characterized in that the step
Rapid 4) detailed process are as follows:
The nano container of step 3) is added in the electrodeposit liquid of metal ion, using magnetic agitation, in constant current or constant voltage
Under conditions of, nano container and metal ion by surface with positive charge are co-deposited to matrix surface.
7. a kind of preparation method of Metal Substrate self-repairing plating coat according to claim 3, which is characterized in that described in step 1)
Solvent is selected from one or more of acetone, ethyl alcohol.
8. a kind of preparation method of Metal Substrate self-repairing plating coat according to claim 5, which is characterized in that described in step 3)
Cationic modified solution is selected from one or more of CTAB, diethanol amine, triethanolamine.
9. a kind of preparation method of Metal Substrate self-repairing plating coat according to claim 2 or 3, which is characterized in that described slow
It loses agent and is selected from one or more of oil-soluble inhibitor, inorganic salts corrosion inhibiter.
10. self-repairing plating coat prepared by a kind of preparation method of Metal Substrate self-repairing plating coat exists as claimed in claim 2 or claim 3
Delay the application of metallic matrix corrosion aspect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811179651.6A CN109371451A (en) | 2018-10-10 | 2018-10-10 | A kind of Metal Substrate self-repairing plating coat and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811179651.6A CN109371451A (en) | 2018-10-10 | 2018-10-10 | A kind of Metal Substrate self-repairing plating coat and its preparation method and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109371451A true CN109371451A (en) | 2019-02-22 |
Family
ID=65404035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811179651.6A Pending CN109371451A (en) | 2018-10-10 | 2018-10-10 | A kind of Metal Substrate self-repairing plating coat and its preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109371451A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318120A (en) * | 2019-04-09 | 2019-10-11 | 中国海洋大学 | A kind of nucleocapsid selfreparing fiber bead type electrospun material and its synthetic method and application based on pH response |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1680634A (en) * | 2005-01-26 | 2005-10-12 | 上海大学 | Preparation of microcapsule-metal composite cladding |
| CN104927418A (en) * | 2015-07-06 | 2015-09-23 | 江苏固格澜栅防护设施有限公司 | Acid-alkali dual response intelligent nano container based anti-corrosion coating preparation method and application |
| CN104927583A (en) * | 2015-07-06 | 2015-09-23 | 江苏固格澜栅防护设施有限公司 | Preparation method and application of intelligent anti-corrosion coating capable of being automatically repaired |
| CN106928806A (en) * | 2017-03-14 | 2017-07-07 | 中国船舶重工集团公司第七二五研究所 | A kind of intelligent nano container for preventing copper and corrosion of copper alloy, its preparation and application process |
-
2018
- 2018-10-10 CN CN201811179651.6A patent/CN109371451A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1680634A (en) * | 2005-01-26 | 2005-10-12 | 上海大学 | Preparation of microcapsule-metal composite cladding |
| CN104927418A (en) * | 2015-07-06 | 2015-09-23 | 江苏固格澜栅防护设施有限公司 | Acid-alkali dual response intelligent nano container based anti-corrosion coating preparation method and application |
| CN104927583A (en) * | 2015-07-06 | 2015-09-23 | 江苏固格澜栅防护设施有限公司 | Preparation method and application of intelligent anti-corrosion coating capable of being automatically repaired |
| CN106928806A (en) * | 2017-03-14 | 2017-07-07 | 中国船舶重工集团公司第七二五研究所 | A kind of intelligent nano container for preventing copper and corrosion of copper alloy, its preparation and application process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318120A (en) * | 2019-04-09 | 2019-10-11 | 中国海洋大学 | A kind of nucleocapsid selfreparing fiber bead type electrospun material and its synthetic method and application based on pH response |
| CN110318120B (en) * | 2019-04-09 | 2022-07-29 | 中国海洋大学 | Core-shell self-repairing fiber bead type electrostatic spinning material based on pH response and synthesis method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105440884B (en) | A kind of preparation and application of aqueous epoxy resins selfreparing erosion shield | |
| CN104593132B (en) | Metalworking fluid of graphene-containing dispersion liquid and preparation method thereof | |
| JP5674054B2 (en) | Coating composition comprising ceramic particles | |
| CN101781521B (en) | Paint and coating | |
| CN101643930B (en) | Compound plating bath for producing high-hardness wear-reduction wear-resistance nanometer compound claddings and electroplating method | |
| Song et al. | Advanced microcapsules for self-healing conversion coating on magnesium alloy in Ce (NO3) 3 solution with microcapsules containing La (NO3) 3 | |
| CN109371451A (en) | A kind of Metal Substrate self-repairing plating coat and its preparation method and application | |
| CN107740168A (en) | A kind of efficient corrosion resisting Zinc phosphating solution and preparation method thereof | |
| CN112961526B (en) | Preparation method of magnetic particle enriched anticorrosion and antifouling integrated self-repairing microcapsule | |
| CN102191492B (en) | Rust transforming agent | |
| CN104497818A (en) | Dopamine-containing styrene-acrylic emulsion coating composition capable of being directly applied on rusty layer and preparation method of coating composition | |
| CN116970295A (en) | Corrosion-resistant phosphate composite coating with 'brick-mud' layered structure and preparation method and application thereof | |
| CN109686558A (en) | A kind of preparation method of high-corrosion resistance Sintered NdFeB magnet | |
| CN108610731A (en) | The preparation and application of a kind of corrosion inhibiter latex solution suitable for water paint | |
| CN102268707A (en) | Preparation method and application of metal zinc-containing composite silane film | |
| CN115011159B (en) | Self-repairing material based on pH response | |
| CN105419907B (en) | Selfreparing solution, its method of preparation and use | |
| CN101775631B (en) | Method for preparing lead dioxide based composite plating layer containing nano rare earth and nano zirconium dioxide | |
| CN110743766A (en) | Natural gas pipeline corrosion prevention method | |
| CN101876068B (en) | Method for preparing NiP/TiO2 anticorrosion composite film on surface of carbon steel | |
| CN116196471A (en) | Functional composite coating with corrosion resistance and antibacterial performance loaded on magnesium or magnesium alloy surface as well as preparation method and application thereof | |
| CN109881238A (en) | Magnesium-based surface has the active coating and preparation method thereof of self-healing function | |
| CN109112595A (en) | A kind of magnesium alloy surface composite film differential of the arc fluorination preparation method | |
| WO2017003272A1 (en) | Method for producing gelatin microcapsules for protective coatings | |
| CN109021625B (en) | Long-acting corrosion-resistant self-cleaning coating and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190222 |